[Bug target/66785] internal compiler error in record_operand_use

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66785

--- Comment #4 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Author: bernds
Date: Tue Nov 17 21:20:20 2015
New Revision: 230499

URL: https://gcc.gnu.org/viewcvs?rev=230499&root=gcc&view=rev
Log:
        PR target/66785
        * regrename.c (record_operand_use): Keep track of failed operands
        and stop appending if we see any.
        * regrename.h (struct operand_rr_info): Add a failed field and shrink
        n_chains to short.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/regrename.c
    trunk/gcc/regrename.h